Sass Compiling Error

/var/www/vhosts/mauthe-clocks.com/httpdocs/mauthe-clocks.com/wp-content/themes/suedsicht/var/www/vhosts/mauthe-clocks.com/httpdocs/mauthe-clocks.com/wp-content/plugins/wp-scss/cache/
"File Permission Error, permission denied. Please make the cache directory writable."

Mauthe time & clock Manufaktur GmbH
homepageslider 1
homepageslider 2
homepageslider 3
homepageslider 4
homepageslider 12